Fill regions with water while respecting horizontal levels and outside clues.
Guía interactiva
Each region is a tank. Deduce its water height from row and column clues.
Thick borders separate independent aquariums.
If a cell has water, lower cells in the same aquarium must also have water.
Numbers above and to the right give exact water counts for columns and rows.
Tap to cycle blank → water → air. Undo and Redo let you test deductions safely.
Revela una imagen deduciendo qué casillas deben quedar rellenas a partir de las pistas.
Sombrea casillas en habitaciones respetando pistas y visibilidad blanca.
Separa islas numeradas con un mar negro conectado.
Descubre todas las casillas seguras usando los números que rodean las minas.